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knfsd: allow cache_register to return error on failure

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Newer server features such as nfsv4 and gss depend on proc to work, so a
failure to initialize the proc files they need should be treated as
fatal.

Thanks to Andrew Morton for style fix and compile fix in case where
CONFIG_NFSD_V4 is undefined.

Cc: Andrew Morton <akpm@linux-foundation.org>
Acked-by: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
J. Bruce Fields
2007-11-08 17:20:34 -05:00
parent ffe9386b6e
commit dbf847ecb6
8 changed files with 75 additions and 26 deletions
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2
include/linux/sunrpc/cache.h
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@ -169,7 +169,7 @@ extern int cache_check(struct cache_detail *detail,
extern void cache_flush(void);
extern void cache_purge(struct cache_detail *detail);
#define NEVER (0x7FFFFFFF)
extern void cache_register(struct cache_detail *cd);
extern int cache_register(struct cache_detail *cd);
extern void cache_unregister(struct cache_detail *cd);
extern void qword_add(char **bpp, int *lp, char *str);